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Selling, General and Administrative Expenses - Summary of Selling, General and Administrative Expenses (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Selling General And Administrative Expenses [Line Items] |  |  |
Advertising expenses | ₩ 38,731 | ₩ 13,661 | ₩ 29,898
Bad debt | 589 | 1,402 | 701
Fees and commissions | 293,302 | 472,324 | 259,024
Lease expenses | 1,380 | 1,292 | 1,179
Salaries | 50,092 | 44,339 | 40,315
Expenses related to defined contribution and benefit plans | 3,022 | 2,505 | 2,255
Employee benefits | 4,538 | 4,256 | 3,895
Depreciation | 6,023 | 5,252 | 5,145
Amortization | 3,211 | 2,406 | 1,917
Other expenses | 4,553 | 4,020 | 3,032
Total | 92,491 | 66,066 | 77,614
Selling, general and administrative expenses |  |  |
Disclosure Of Selling General And Administrative Expenses [Line Items] |  |  |
Advertising expenses | 38,731 | 13,661 | 29,898
Bad debt | 589 | 1,402 | 701
Outsourcing expenses | 1,953 | 2,085 | 3,755
Fees and commissions | 14,613 | 16,662 | 15,909
Lease expenses | 773 | 712 | 646
Salaries | 22,991 | 20,688 | 17,598
Expenses related to defined contribution and benefit plans | 1,181 | 991 | 783
Employee benefits | 2,385 | 2,257 | 1,972
Depreciation | 4,240 | 3,369 | 2,976
Amortization | 1,747 | 1,340 | 1,155
Other expenses | 3,288 | 2,899 | 2,221
Total | ₩ 92,491 | ₩ 66,066 | ₩ 77,614

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- Definition The amount of expense arising from advertising. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of expense relating to fees and commissions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 102 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_102&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of expense relating to selling, general and administrative activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
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